<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This paper presents a novel converter which can reduce the harmonics like the conventional multipulse converters with input three phase transformer. To reduce total harmonic distortion of input current and improve the weight and size of converters, it is suggested to use multi-pulse rectifiers with an electronic phase shift. The basic module is a 6-pulse rectifier on fully controlled switches with the reverse blocking ability. Switching frequency either coincides or is twice the power frequency. The proposed solutions allow refusing from the electromagnetic phase-shifting devices (power transformers or auto-transformers) and thereby significantly reduce the weight of the device. Unlike power factor correction systems with high-frequency modulation, the proposed converters are significantly different, as they have better electromagnetic compatibility and the virtual absence of dynamic switching losses of power switches.</p></abstract>

This paper presents a novel converter which can reduce the harmonics like the conventional multipulse converters with input three phase transformer. To reduce total harmonic distortion of input current and improve the weight and size of converters, it is suggested to use multi-pulse rectifiers with an electronic phase shift. The basic module is a 6-pulse rectifier on fully controlled switches with the reverse blocking ability. Switching frequency either coincides or is twice the power frequency. The proposed solutions allow refusing from the electromagnetic phase-shifting devices (power transformers or auto-transformers) and thereby significantly reduce the weight of the device. Unlike power factor correction systems with high-frequency modulation, the proposed converters are significantly different, as they have better electromagnetic compatibility and the virtual absence of dynamic switching losses of power switches.

Electronic Phase Shifting in Multipulse Rectifier

National Technical University of Ukraine “Kharkiv Polytechnic Institute”

Electrical, Control and Communication Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Electronic Phase Shifting in Multipulse Rectifier"}

This paper presents a novel converter which can reduce the harmonics like the conventional multipulse converters with input three phase transformer. To reduce...

Electronic Phase Shifting in Multipulse Rectifier

Publié en ligne: 28 nov. 2017

Pages: 5 - 10

DOI: https://doi.org/10.1515/ecce-2017-0001

Mots clés
Electronic phase shifting, Multipulse rectifier, Power quality, Power system harmonics, THD, Total harmonic distortion, Unit power coefficient

© 2017 Yevgen I. Sokol et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Electronic Phase Shifting in Multipulse Rectifier

Publié en ligne: 28 nov. 2017

Pages: 5 - 10

DOI: https://doi.org/10.1515/ecce-2017-0001

Mots clésElectronic phase shifting, Multipulse rectifier, Power quality, Power system harmonics, THD, Total harmonic distortion, Unit power coefficient

© 2017 Yevgen I. Sokol et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Mots clés
Electronic phase shifting, Multipulse rectifier, Power quality, Power system harmonics, THD, Total harmonic distortion, Unit power coefficient